package com.coder520.common.interceptor;


import com.coder520.user.pojo.User;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

//登入拦截器
public class SessionInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object o) throws Exception {
        String uri = request.getRequestURI();
        if((uri.indexOf("Login")>=0)||(uri.indexOf("sign")>=0)||(uri.indexOf("error")>=0) ){
            return true;
        }
        HttpSession session = request.getSession();
        User user = (User) session.getAttribute("USER_SESSION");
        if(user!=null){
            return true;
        }
         //转发到登录
        request.getRequestDispatcher("/Login/login").forward(request,response);
        return false;
    }

    @Override
    public void postHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, ModelAndView modelAndView) throws Exception {

    }

    @Override
    public void afterCompletion(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, Exception e) throws Exception {

    }
}
